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ISL9005 の電気的特性と機能

ISL9005のメーカーはIntersil Corporationです、この部品の機能は「LDO」です。


製品の詳細 ( Datasheet PDF )

部品番号 ISL9005
部品説明 LDO
メーカ Intersil Corporation
ロゴ Intersil Corporation ロゴ 




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ISL9005 Datasheet, ISL9005 PDF,ピン配置, 機能
®
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Datasheet
December 22, 2005
ISL9005
FN9234.0
LDO with Low ISUPPLY, High PSRR
ISL9005 is a high performance Low Dropout linear regulator
capable of sourcing 300mA current. It has a low standby
current and high-PSRR and is stable with output capacitance
of 1µF to 10µF with ESR of up to 200m.
The ISL9005 has a high PSRR of 75dB and output noise
less than 45µVRMS. When coupled with a no load quiescent
current of 50µA (typical), and 0.1µA shutdown current, the
ISL9005 is an ideal choice for portable wireless equipment.
Several different fixed voltage outputs are standard. Other
output voltage options for the LDO are available on request
and range from 1.3V to 3.6V.
Pinout
ISL9005
(8 LD DFN 2x3)
TOP VIEW
VIN 1
EN 2
NC 3
NC 4
8 VO
7 NC
6 NC
5 GND
Features
• 300mA high performance LDO
• Excellent transient response to large current steps
• Excellent load regulation: <0.1% voltage change across
full range of load current
• High PSRR: 75dB @ 1kHz
• Wide input voltage capability: 2.3V - 6.5V
• Very low quiescent current: 50µA
• Low dropout voltage: typically 200mV @ 300mA
• Low output noise: typically 45µVRMS @ 100µA (1.5V)
• Stable with 1-10µF ceramic capacitors
• Soft-start to limit input current surge during enable
• Current limit and overheat protection
• ±1.8% accuracy over all operating conditions
• Tiny 2x3mm 8 Ld DFN package
• -40°C to +85°C operating temperature range
• Pb-free plus anneal available (RoHS compliant)
Applications
• PDAs, cell phones and smart phones
• Portable instruments, MP3 players
• Handheld devices including medical handhelds
Ordering Information
PART NUMBER
VO VOLTAGE
(Note 1)
PART MARKING (V) (Note 2)
TEMP RANGE (°C)
PACKAGE
(Pb-Free)
PKG. DWG. #
ISL9005IRNZ-T
ETA
3.3V
-40 to 85
8 Ld DFN 2x3 Tape and Reel
L8.2x3
ISL9005IRMZ-T
ESA
3.0V
-40 to 85
8 Ld DFN 2x3 Tape and Reel
L8.2x3
ISL9005IRLZ-T
ERA
2.9V
-40 to 85
8 Ld DFN 2x3 Tape and Reel
L8.2x3
ISL9005IRKZ-T
EPA
2.85V
-40 to 85
8 Ld DFN 2x3 Tape and Reel
L8.2x3
ISL9005IRJZ-T
ENA
2.8V
-40 to 85
8 Ld DFN 2x3 Tape and Reel
L8.2x3
ISL9005IRRZ-T
EVA
2.6V
-40 to 85
8 Ld DFN 2x3 Tape and Reel
L8.2x3
ISL9005IRFZ-T
EMA
2.5V
-40 to 85
8 Ld DFN 2x3 Tape and Reel
L8.2x3
ISL9005IRCZ-T
ELA
1.8V
-40 to 85
8 Ld DFN 2x3 Tape and Reel
L8.2x3
ISL9005IRBZ-T
EKA
1.5V
-40 to 85
8 Ld DFN 2x3 Tape and Reel
L8.2x3
NOTES:
1. Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate
termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are
MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.
2. For other output voltages, contact Intersil Marketing.
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

1 Page





ISL9005 pdf, ピン配列
ISL9005
Electrical Specifications
PARAMETER
Unless otherwise noted, all parameters are guaranteed over the operational supply voltage and temperature
range of the device as follows: TA = -40°C to +85°C; VIN = (VO+0.5V) to 5.5V with a minimum VIN of 2.3V;
CIN = 1µF; CO = 1µF (Continued)
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNITS
DEVICE START-UP CHARACTERISTICS
Device Enable TIme
TEN Time from assertion of the ENx pin to when the output voltage
reaches 95% of the VO (nom)
250 500
µs
LDO Soft-start Ramp Rate
TSSR Slope of linear portion of LDO output voltage ramp during
start-up
30 60 µs/V
EN PIN CHARACTERISTICS
Input Low Voltage
VIL
Input High Voltage
VIH
Input Leakage Current
IIL, IIH
Pin Capacitance
CPIN Informative
NOTES:
5. Guaranteed by design and characterization.
6. VOx = 0.98 * VOx(NOM); Valid for VOx greater than 1.85V.
-0.3 0.5 V
1.4 VIN+0.3 V
0.1 µA
5 pF
3 FN9234.0
December 22, 2005


3Pages


ISL9005 電子部品, 半導体
ISL9005
Typical Performance Curves (Continued)
4.3V
3.6V
VO = 3.3V
ILOAD = 300mA
CLOAD = 1µF
4.2V
3.5V
VO = 2.8V
ILOAD = 300mA
CLOAD = 1µF
10mV/DIV
10mV/DIV
400µs/DIV
FIGURE 13. LINE TRANSIENT RESPONSE, 3.3V OUTPUT
400µs/DIV
FIGURE 14. LINE TRANSIENT RESPONSE, 2.8V OUTPUT
10
VO (25mV/DIV)
1
VO = 1.8V
VIN = 2.8V
300mA
100µA
ILOAD
100µs/DIV
FIGURE 15. LOAD TRANSIENT RESPONSE
0.1
0.01
VIN = 3.6V
VO = 1.8V
ILOAD = 10mA
CIN = 1µF
CLOAD = 1µF
0.001
10
100
1k
10k 100k
1M
FREQUENCY (Hz)
FIGURE 16. SPECTRAL NOISE DENSITY vs FREQUENCY
100
90
80
70
60
50
40
30
20
10
0
100
VIN = 3.6V
VO = 1.8V
IO = 10mA
CLOAD = 1µF
1k 10k 100k
FREQUENCY (Hz)
FIGURE 17. PSRR vs FREQUENCY
1M
6 FN9234.0
December 22, 2005

6 Page



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